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Move partition_tuple_slot out of EState.

Browse Source 
Commit 2ac3ef7a01 added a TupleTapleSlot
for partition tuple slot to EState (es_partition_tuple_slot) but it's
more logical to have it as part of ModifyTableState
(mt_partition_tuple_slot) and CopyState (partition_tuple_slot).

Discussion: http://postgr.es/m/1bd459d9-4c0c-197a-346e-e5e59e217d97@lab.ntt.co.jp

Amit Langote, per a gripe from me
This commit is contained in:
Robert Haas
2017-01-04 13:05:29 -05:00
parent 6667d9a6d7
commit 345b2dcf07
5 changed files with 35 additions and 25 deletions
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17
src/backend/executor/nodeModifyTable.c
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@ -329,7 +329,7 @@ ExecInsert(ModifyTableState *mtstate,
* Use the dedicated slot for that.
*/
oldslot = slot;
slot = estate->es_partition_tuple_slot;
slot = mtstate->mt_partition_tuple_slot;
Assert(slot != NULL);
ExecSetSlotDescriptor(slot, RelationGetDescr(partrel));
ExecStoreTuple(tuple, slot, InvalidBuffer, true);
@ -1738,6 +1738,7 @@ ExecInitModifyTable(ModifyTable *node, EState *estate, int eflags)
PartitionDispatch *partition_dispatch_info;
ResultRelInfo *partitions;
TupleConversionMap **partition_tupconv_maps;
TupleTableSlot *partition_tuple_slot;
int num_parted,
num_partitions;
@ -1745,21 +1746,15 @@ ExecInitModifyTable(ModifyTable *node, EState *estate, int eflags)
&partition_dispatch_info,
&partitions,
&partition_tupconv_maps,
&partition_tuple_slot,
&num_parted, &num_partitions);
mtstate->mt_partition_dispatch_info = partition_dispatch_info;
mtstate->mt_num_dispatch = num_parted;
mtstate->mt_partitions = partitions;
mtstate->mt_num_partitions = num_partitions;
mtstate->mt_partition_tupconv_maps = partition_tupconv_maps;
/*
* Initialize a dedicated slot to manipulate tuples of any given
* partition's rowtype.
*/
estate->es_partition_tuple_slot = ExecInitExtraTupleSlot(estate);
mtstate->mt_partition_tuple_slot = partition_tuple_slot;
}
else
estate->es_partition_tuple_slot = NULL;
/*
* Initialize any WITH CHECK OPTION constraints if needed.
@ -2100,6 +2095,10 @@ ExecEndModifyTable(ModifyTableState *node)
heap_close(resultRelInfo->ri_RelationDesc, NoLock);
}
/* Release the standalone partition tuple descriptor, if any */
if (node->mt_partition_tuple_slot)
ExecDropSingleTupleTableSlot(node->mt_partition_tuple_slot);
/*
* Free the exprcontext
*/